If you don't receive treatment for a Giardia infection, you will probably eventually recover on your own. However, treatment is a good idea for anyone who is having symptoms. Treatment can also help if you don't have symptoms because treatment can prevent the spread of infection to others. This is especially true for children and for people who prepare or serve food.
The three most commonly prescribed medications used to treat Giardia infection are:
A doctor should examine and consider treatment for sexual partners and people who have had close contact with the infected person, such as household members, even if they have no symptoms. Pregnant women generally are not treated with medications, particularly in the first trimester.
If you have giardiasis, be sure to drink plenty of fluids to prevent dehydration. Over-the-counter medications for diarrhea, such as loperamide (Imodium), may help your symptoms. Wash your hands frequently if you have giardiasis or if you are caring for a person or animal with this infection.
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